Home / 18,742.08-25,863.62-10,243.82

Finding the Fourth Proportional to 18,742.08, 25,863.62 and 10,243.82

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Solution

The fourth proportional to 18,742.08, 25,863.62 and 10,243.82 is: 14,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.08 : 25,863.62 = 10,243.82 : x
  2. Step 2: Convert to fraction form
    18,742.08/25,863.62 = 10,243.82/x
  3. Step 3: Cross multiply
    18,742.08x = 25,863.62 × 10,243.82
  4. Step 4: Simplify right side
    18,742.08x = 264,942,267.83
  5. Step 5: Solve for x
    x = 264,942,267.83/18,742.08
  6. Step 6: Final answer
    x = 14,136.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.